1. Prerequisites

Ensure that the new slave nodes meet the following prerequisites:

  • The following operating systems are supported:

    • 64-bit Red Hat Enterprise Linux (RHEL) 5 or 6

    • 64-bit CentOS 5 or 6

    • 64-bit SUSE Linux Enterprise Server (SLES) 11, SP1

  • On each of your hosts:

    • yum (RHEL)

    • zypper (SLES)

    • rpm

    • scp

    • curl

    • wget

    • unzip

    • tar

    • pdsh

  • Ensure that all the ports listed here are available to the Installer.

  • To install Hive metastore or to use external database for Oozie metastore, ensure that you deploy either a MySQL or an Oracle database in your cluster. For instructions, see here.

  • Your system must have the correct JDK installed on all the nodes of the cluster. HDP requires Oracle JDK 1.6 update 31. For more information, see Install the Java Development Kit.


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